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Round|Lab Grown|IGI

1.57ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • IGI LG542238029

Shape and cutting style on the report: Round brilliant

Certificate IGI LG542238029

Diamond specifications and retailer prices

From $960 USD
As of October 29, 2026
2 retailers carry this diamond
Only listing: $960 USD at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 1.57ct lab-grown round diamond

This 1.57ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG542238029 or 542238029. Listed at 2 retailers as of October 29, 2026. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.57
Carat
E
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG542238029
Dimensions7.46 × 7.41 × 4.62 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.46 mm7.41 mm1.57 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG542238029
Side View
Table 57.5%Crown 35.3°Girdle: THN-MEDPavilion 41.1°Culet: NoneDepth 62.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $960 USD|Low: $476 USD|High: $11,323 USD|Avg: $1,163 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
February 24, 2026
Retailer 5$476 USD
Retailer 3$672 USD
Retailer 4$853 USD
Brilliant Earth$960 USD
Retailer 2$11,323 USD

27 data points across 5 retailers

2 retailers

B
Brilliant Earth
16800944Y · Oct 29
$960 USD
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Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B
1.57ct Round
$960 USD